Robot vacuum cleaner



1. Robot vacuum cleaner

FIG. 1.1 is a front perspective view of a robot cleaner, showing our new design;

FIG. 1.2 is a front view thereof;

FIG. 1.3 is a rear view thereof;

FIG. 1.4 is a side view thereof;

FIG. 1.5 is another side view thereof;

FIG. 1.6 is a top view thereof; and

FIG. 1.7 is a bottom view thereof. 

CLAIM The ornamental design for a robot vacuum cleaner, as shown and described. 